gcc/testsuite/gcc.target/powerpc/pr72863.c

   1 /* { dg-do compile { target { powerpc64le-*-* } } } */
   2 /* { dg-skip-if "do not override -mcpu" { powerpc*-*-* } { "-mcpu=*" } { "-mcpu=power8" } } */
   3 /* { dg-options "-mcpu=power8 -O3" } */
   4 /* { dg-final { scan-assembler "lxvd2x" } } */
   5 /* { dg-final { scan-assembler "stxvd2x" } } */
   6 /* { dg-final { scan-assembler-not "xxpermdi" } } */
   7
   8 #include <altivec.h>
   9
  10 extern unsigned char *src, *dst;
  11
  12 void b(void)
  13 {
  14   int i;
  15
  16   unsigned char *s8 = src;
  17   unsigned char *d8 = dst;
  18
  19   for (i = 0; i < 100; i++) {
  20     vector unsigned char vs = vec_vsx_ld(0, s8);
  21     vector unsigned char vd = vec_vsx_ld(0, d8);
  22     vector unsigned char vr = vec_xor(vs, vd);
  23     vec_vsx_st(vr, 0, d8);
  24     s8 += 16;
  25     d8 += 16;
  26   }
  27 }